What is the role of hemoglobin's alpha-subunit in the transport of oxygen to tissues?
A
To increase oxygen affinity in response to low pH
B
To facilitate the binding of oxygen to the heme group
C
To stabilize the hemoglobin molecule and prevent dissociation
✓
D
To regulate the amount of oxygen released to tissues
Explanation
The alpha-subunit of hemoglobin plays a crucial role in stabilizing the hemoglobin molecule and preventing dissociation, which is essential for the transport of oxygen to tissues.
Source
Guyton and Hall Textbook of Medical Physiology
Hematology
Hematology: Hemoglobin and Oxygen Transport
Hematology: Hemoglobin and Oxygen Transport
Medium
MEDICAL
Confidence: high
